Automatic Door Alarm Project

Full code for this door alarm project is given below.

Automatic door alarm project.

How to make a automatic door security alarm duration. Top 5 elctronic project with bc547 transistor tri ac rgb led. In this project we will go over how to build a door alarm circuit. This door open alarm uses an input sensor fixed at the corner of the door frame and a magnet fixed on the door panel close to the sensor.

Schematic of the door opening alert circuit. When the door is opened the magnet moves away from the sensor generating a controlling signal to sound the alarm. It will produce a beep sound when each new customer or visitor is entering and will automatically switch off after few seconds. The door opening alarm circuit or front office visitor alert is used for alerting you when a customer is at your office shop.

Primarily ultrasonic sensor is used to measure distance from any object but here we can see that it can be used as security alarm or door alarm with arduino. Likewise we can create many useful projects using this like. This is a circuit where an alarm will go off if the door that the circuit is connected to is opened. Circuit diagram of automatic door bell using object detection.

When the door is ordinarily closed the alarm is not triggered. This circuit operates using a pair of ultrasonic transmitter and receiver modules which are used to detect the person and then if the person is detected the door bell is automatically turned on when the person is in front of the door.